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EN 1.4877 Stainless Steel vs. EN 1.4634 Stainless Steel

Both EN 1.4877 stainless steel and EN 1.4634 stainless steel are iron alloys. They have 59% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4877 stainless steel and the bottom bar is EN 1.4634 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 36
21
Fatigue Strength, MPa 170
180
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Shear Strength, MPa 420
340
Tensile Strength: Ultimate (UTS), MPa 630
540
Tensile Strength: Yield (Proof), MPa 200
280

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 560
500
Maximum Temperature: Mechanical, °C 1150
900
Melting Completion (Liquidus), °C 1400
1430
Melting Onset (Solidus), °C 1360
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
21
Thermal Expansion, µm/m-K 15
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 37
13
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 6.2
2.9
Embodied Energy, MJ/kg 89
42
Embodied Water, L/kg 220
140

Common Calculations

PREN (Pitting Resistance) 28
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
93
Resilience: Unit (Modulus of Resilience), kJ/m3 100
200
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
20
Strength to Weight: Bending, points 20
19
Thermal Diffusivity, mm2/s 3.2
5.8
Thermal Shock Resistance, points 15
19

Alloy Composition

Aluminum (Al), % 0 to 0.025
0.2 to 1.5
Carbon (C), % 0.040 to 0.080
0 to 0.030
Cerium (Ce), % 0.050 to 0.1
0
Chromium (Cr), % 26 to 28
17.5 to 18.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 36.4 to 42.3
74.9 to 81.8
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 31 to 33
0 to 0.5
Niobium (Nb), % 0.6 to 1.0
0.3 to 1.0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.020
0 to 0.050
Silicon (Si), % 0 to 0.3
0.2 to 1.5
Sulfur (S), % 0 to 0.010
0 to 0.050